Dietary magnesium intake and risk of cardiovascular disease among women

Yiqing Song, Jo Ann E. Manson, Nancy R. Cook, Christine M. Albert, Julie E. Buring, Simin Liu

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

This study assessed the hypothesis that greater magnesium intake is associated with reduced risk for cardiovascular disease (CVD), including myocardial infarction (MI) and stroke, in a large prospective cohort of women. In 1993, a semi-quantitative food frequency questionnaire was used to assess magnesium intake in 39,876 female health professionals aged 39 to 89 years who had no history of CVD or cancer. During a median of 10 years of follow-up, 1,037 incident cases of CVD were identified, including 280 nonfatal MIs and 368 strokes. After adjustment for age and randomized treatment status, magnesium intake was not significantly associated with risk for incident CVD. Comparing the highest quintile of magnesium intake (median 433 mg/day) with the lowest quintile (median 255 mg/day), the relative risks were 0.87 (95% confidence interval [CI] 0.72 to 1.05, p for trend = 0.24) for total CVD, 0.88 (95% CI 0.70 to 1.12, p for trend = 0.34) for coronary heart disease (CHD), 1.03 (95% CI 0.72 to 1.49, p for trend = 0.96) for nonfatal MI, 1.11 (95% CI 0.61 to 2.00, p for trend = 0.95) for CVD death, and 0.87 (95% CI 0.64 to 1.18, p for trend = 0.55) for total stroke. Additional adjustment for other CVD risk factors did not materially change the observed null associations. In conclusion, the results do not support the hypothesis that magnesium intake reduces the development of CHD, although a modest inverse association with stroke cannot be ruled out.

Original languageEnglish (US)
Pages (from-to)1135-1141
Number of pages7
JournalAmerican Journal of Cardiology
Volume96
Issue number8
DOIs
StatePublished - Oct 15 2005
Externally publishedYes

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Magnesium
Cardiovascular Diseases
Confidence Intervals
Stroke
Coronary Disease
Myocardial Infarction
Food
Health
Neoplasms

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Song, Y., Manson, J. A. E., Cook, N. R., Albert, C. M., Buring, J. E., & Liu, S. (2005). Dietary magnesium intake and risk of cardiovascular disease among women. American Journal of Cardiology, 96(8), 1135-1141. https://doi.org/10.1016/j.amjcard.2005.06.045

Dietary magnesium intake and risk of cardiovascular disease among women. / Song, Yiqing; Manson, Jo Ann E.; Cook, Nancy R.; Albert, Christine M.; Buring, Julie E.; Liu, Simin.

In: American Journal of Cardiology, Vol. 96, No. 8, 15.10.2005, p. 1135-1141.

Research output: Contribution to journalArticle

Song, Yiqing ; Manson, Jo Ann E. ; Cook, Nancy R. ; Albert, Christine M. ; Buring, Julie E. ; Liu, Simin. / Dietary magnesium intake and risk of cardiovascular disease among women. In: American Journal of Cardiology. 2005 ; Vol. 96, No. 8. pp. 1135-1141.
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